|Appears in||Mother 3|
|Vulnerable to||PK Freeze, PK Thunder, Sleep|
|Location||On the ocean floor between Tazmily Village's beach and Tanetane Island|
|In-battle theme||And Yet, El Mariachi|
Carefree Jellyfish are enemies in Mother 3. As the name would suggest, they appear as a jellyfish. They are capable of using an electric shock attack which affects 3 members of the party.
Its battle sound is Battle Sound 17 which falls under Code Numbers 487 for regular attack, 488 for Smaaaash! and 489 for Miss.